City vs city
Alvin vs Richwood, TX
Richwood currently scores 4 points higher overall than Alvin, with the largest gap in tornado.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Alvin: 47/100 · Richwood: 51/100
Richwood is 4 points higher.
Flood
Alvin: 46/100 · Richwood: 65/100
Richwood is 19 points higher.
Alvin: FEMA NFHL flood zones: 13 features intersect this tile.
Richwood: FEMA NFHL flood zones: 15 features intersect this tile.
Wind
Alvin: 49/100 · Richwood: 52/100
Richwood is 3 points higher.
Alvin: Wind exposure derived from ingested design wind / climatology tiles.
Richwood: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alvin: 57/100 · Richwood: 48/100
Alvin is 9 points higher.
Alvin: Lightning exposure derived from ingested climatology tiles.
Richwood: Lightning exposure derived from ingested climatology tiles.
Tornado
Alvin: 23/100 · Richwood: 50/100
Richwood is 27 points higher.
Alvin: Tornado risk derived from NOAA SPC historical reports.
Richwood: Tornado risk derived from NOAA SPC historical reports.
Hail
Alvin: 41/100 · Richwood: 17/100
Alvin is 24 points higher.
Alvin: Hail risk derived from NOAA SPC historical reports.
Richwood: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alvin: 96/100 · Richwood: 99/100
Richwood is 3 points higher.
Alvin: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Richwood: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Alvin: 34/100 · Richwood: 44/100
Richwood is 10 points higher.
Alvin: Wildfire exposure derived from ingested fire potential tiles.
Richwood: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alvin: 29/100 · Richwood: 30/100
Richwood is 1 points higher.
Alvin: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Richwood: Air quality signal derived from the latest EPA AirNow combined AQI grid.